Back to the profiles! Wooooooo. The "wall" tab of the new profiles are a place to leave public messages to people. You know the drill. We've got it on the current site, and it's getting a little upgrade for the new site:
Mainly some quick reply action to leave a message and then you can easily reply to them.
Sometimes you wanna send PMs. Sometimes you want it to be public. This is the public way.